:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-primary: #0f172a;--bg-surface: #1e293b;--bg-surface-elevated: #334155;--bg-muted: #1e293b80;--border-subtle: #334155;--border-focus: #38bdf8;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--brand-primary: #38bdf8;--brand-hover: #0284c7;--brand-glow: rgba(56, 189, 248, .25);--success-bg: #064e3b;--success-border: #059669;--success-text: #34d399;--warning-bg: #78350f;--warning-border: #d97706;--warning-text: #fbbf24;--error-bg: #7f1d1d;--error-border: #dc2626;--error-text: #f87171;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{min-height:100vh;display:flex;flex-direction:column}.top-navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background-color:var(--bg-surface);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:50}.brand-section{display:flex;align-items:center;gap:12px}.brand-icon-box{width:38px;height:38px;background:linear-gradient(135deg,#0284c7,#38bdf8);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 15px var(--brand-glow)}.brand-title{font-size:1.15rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.brand-subtitle{font-size:.8rem;color:var(--text-secondary)}.nav-status{display:flex;align-items:center;gap:16px}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:.8rem;font-weight:500}.status-badge.connected{background-color:var(--success-bg);border:1px solid var(--success-border);color:var(--success-text)}.status-badge.disconnected{background-color:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text)}.status-dot{width:7px;height:7px;border-radius:50%;background-color:currentColor}.tabs-bar{display:flex;gap:8px;padding:0 32px;background-color:var(--bg-surface);border-bottom:1px solid var(--border-subtle)}.tab-btn{background:none;border:none;color:var(--text-secondary);font-size:.9rem;font-weight:500;padding:12px 18px;cursor:pointer;display:flex;align-items:center;gap:8px;position:relative;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--brand-primary)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background-color:var(--brand-primary);box-shadow:0 0 10px var(--brand-primary)}.main-content{flex:1;padding:32px;max-width:1200px;margin:0 auto;width:100%}.card{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;box-shadow:0 10px 30px #0003}.card-header{margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}.card-title{font-size:1.25rem;font-weight:600;display:flex;align-items:center;gap:10px}.card-desc{font-size:.88rem;color:var(--text-secondary);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:.88rem;font-weight:600;padding:10px 18px;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;border:none;text-decoration:none}.btn-primary{background-color:var(--brand-primary);color:#0f172a}.btn-primary:hover:not(:disabled){background-color:var(--brand-hover);color:#fff;box-shadow:0 0 15px var(--brand-glow)}.btn-secondary{background-color:var(--bg-surface-elevated);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover:not(:disabled){background-color:#475569}.btn:disabled{opacity:.5;cursor:not-allowed}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-box{background-color:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column}.stat-label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.stat-value{font-size:1.75rem;font-weight:700;margin-top:4px;color:var(--text-primary)}.dropzone{border:2px dashed var(--border-subtle);border-radius:var(--radius-lg);padding:40px 24px;text-align:center;background-color:var(--bg-primary);cursor:pointer;transition:all .2s ease;margin-bottom:20px}.dropzone:hover,.dropzone.active{border-color:var(--brand-primary);background-color:#38bdf80d}.dropzone-icon{margin:0 auto 12px;width:48px;height:48px;color:var(--brand-primary)}.diff-table-container{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-top:16px}.diff-table{width:100%;border-collapse:collapse;text-align:left;font-size:.86rem}.diff-table th{background-color:var(--bg-surface-elevated);padding:12px 14px;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-subtle)}.diff-table td{padding:12px 14px;border-bottom:1px solid var(--border-subtle);color:var(--text-primary)}.diff-table tr:last-child td{border-bottom:none}.diff-table tr:hover td{background-color:#ffffff05}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600}.badge-modified{background-color:var(--warning-bg);color:var(--warning-text);border:1px solid var(--warning-border)}.badge-added{background-color:var(--success-bg);color:var(--success-text);border:1px solid var(--success-border)}.badge-unchanged{background-color:#1e293b;color:var(--text-muted);border:1px solid var(--border-subtle)}.badge-invalid{background-color:var(--error-bg);color:var(--error-text);border:1px solid var(--error-border)}.price-change{display:flex;align-items:center;gap:8px;font-family:monospace}.old-price{color:var(--text-muted);text-decoration:line-through}.new-price{color:var(--brand-primary);font-weight:700}.callout{padding:16px;border-radius:var(--radius-md);margin-bottom:16px;display:flex;gap:12px;align-items:flex-start;font-size:.88rem}.callout-info{background-color:#38bdf81a;border:1px solid var(--brand-primary);color:#bae6fd}.callout-warning{background-color:#f59e0b1a;border:1px solid var(--warning-border);color:#fde68a}.callout-error{background-color:#ef44441a;border:1px solid var(--error-border);color:#fca5a5}.callout-success{background-color:#10b9811a;border:1px solid var(--success-border);color:#a7f3d0}.current-store-badge{display:flex;align-items:center;gap:12px;background-color:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:7px 16px}.store-badge-icon{width:32px;height:32px;border-radius:var(--radius-sm);background:#38bdf826;color:var(--brand-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.store-badge-details{display:flex;flex-direction:column}.store-badge-title-row{display:flex;align-items:center;gap:8px}.store-badge-name{font-weight:600;font-size:.9rem;color:var(--text-primary)}.store-badge-pill{font-size:.65rem;font-weight:700;padding:1px 6px;border-radius:999px;background-color:#38bdf833;color:#bae6fd;border:1px solid rgba(56,189,248,.4);text-transform:uppercase}.store-badge-domain{font-size:.74rem;color:var(--text-secondary);font-family:monospace}.pill{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:999px;text-transform:capitalize}.pill-success{background-color:#05966933;color:var(--success-text);border:1px solid rgba(5,150,105,.4)}.pill-warning{background-color:#d9770633;color:var(--warning-text);border:1px solid rgba(217,119,6,.4)}.pill-info{background-color:#38bdf833;color:#bae6fd;border:1px solid rgba(56,189,248,.4)}